BRISBANE, Calif., June 25, 2014 (GLOBE NEWSWIRE) -- Hyperion Therapeutics, Inc. (Nasdaq:HPTX) today announced that the European Medicines Agency (EMA) has completed technical and content validation and accepted the filing of the Marketing Authorisation Application (MAA) for RAVICTI (glycerol phenylbutyrate) Oral Liquid for the treatment of urea cycle disorders (UCDs). Acceptance of the MAA confirms that the submission is complete so as to permit a substantive review by the Rapporteurs and the Committee for Medicinal Products for Human Use (CHMP).